High Wind in Idaho, April 9, 1999

Name: High Wind in Idaho, April 9, 1999
Start: 1999-04-09T11:50
End: 1999-04-09T15:00
Location: Idaho

April 9, 1999 · NWS BOI · 1 event in 1 county or zone

1 high wind, as filed by the National Weather Service.

Where it happened

Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

Tornadoes
Tropical storms and surge
Floods
Wind
Hail
Winter weather
Heat and drought
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Fire, smoke and dust
Marine and coastal
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The toll

Deaths: 0
Injuries: 0
Property damage: $15,000
Crop damage: None recorded
Events: 1

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

The radar

The national radar mosaic for the moment the first event began.

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Event by event

1 high wind. Local standard time, as filed.

High Wind, Western Magic Valley

When: April 9, 11:50 AM MST to 3:00 PM MST
Where: Western Magic Valley forecast zone
Measured: 51 kt (59 mph)
Property damage: $15,000
Reported by: OFFICIAL NWS OBS.
Coordinates: 42.672, -114.581 (the zone’s center; the record gives no point)

High winds blew across the Western Magic Valley. At Twin Falls a peak gust of 52 mph was measured and at Jerome sustained winds of 49 mph with a gust to 59 mph were observed. The winds overturned a truck near Twin Falls, caused power outages and damaged a warehouse roof.

What these are

High Wind: Sustained non-thunderstorm winds of 40 mph or more for an hour, or gusts of 58 mph or more.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

Every storm in Idaho in 1999 Every state in 1999 This day in weather history Warnings in Idaho, April 1999

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5692707.